If you want to do fixes on your Piaggio NGR Power DT then it is usually a great idea to have a Workshop Manual to keep just for a guide should you want to know how you can take off a specific component for example the Brake Pads and install it again safely.
Piaggio NGR Power DT Workshop Manuals provide you with unique diagnostic guides for the vehicle therefore if something is playing up it will help you work out what the situation is and how you can correct it. After that you can decide if this can be achieved on your own or that the job is too big you could make a reservation for your NGR Power DT in with a trusted garage.
Piaggio NGR Power DT manual